I-39/90 Expansion Project

Illinois state line to Madison, Dane and Rock counties

Latest News

Weekly Construction Update: November 19-30

Posted: Nov. 16, 2018

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All lane restrictions and work operations are weather dependent and subject to change.

Two lanes remain open to traffic on I-39/90 (in each direction) during daytime hours and weekends.

NOTE: Next week Monday through Wednesday (8 p.m. to 5 a.m.), nightly single lane closures are planned on I-39/90 northbound and southbound in the following work zones, unless noted otherwise. Minor delays may occur during these lane closures.

I-39/90 northbound expansion (E. Church Road north of the US 51 interchange (Stoughton Exit 156) to County AB, and County N interchange  Exit 147), north of Stoughton 
County MN, Drotning Road, County W and County B underpasses
Anticipated construction completion: Mid-November 2018

  • Nighttime closure of I-39/90 southbound ramps to and from County N (Exit 147).
    • 10 p.m. Tuesday (Nov. 20) to 5 a.m. Wednesday (Nov. 21)
    • Alternate routes are required.
  • View the I-39/90 construction activities in this area.
    • Finishing median slopes and touching up slopes on the outside shoulders.
    • Crews to grade and pour concrete for new crossovers.
  • I-39/90 traffic is located on their respective sides from East Church Road, north of the US 51 interchange (Stoughton Exit 156), to County AB.
  • County MN under I-39/90 is CLOSED until Wednesday (Nov. 21). Alternate routes are required; follow the posted detour.
  • Drotning Road under I-39/90 is CLOSED until Wednesday (Nov. 21). Alternate local routes are required.
  • County B under I-39/90 is CLOSED until Wednesday (Nov. 21). Alternate local routes are required.

Temporary widening on I-39/90 northbound (Townline Road to Rock River bridges), Janesville to Edgerton
Townline Road and County M underpasses
Anticipated construction completion: November 2018

  • This project is complete. Please be attentive for crews completing minor finishing and restoration items on I-39/90 and local roadways.
  • View temporary widening activities.
    • Activities have been largely completed on the outside of I-39/90 northbound. Miscellaneous work including landscaping and right of way fence installation remains and should be substantially completed next week.
    • I-39/90 northbound traffic to shift to their original location from Townline Road to just south of the Rock River bridges.
  • Townline Road and County M under I-39/90 near Milton are OPEN to all traffic.

I-39/90 northbound expansion (Hart Road bridge over I-39/90 to US 14/Humes Road interchange), Beloit to Janesville
Anticipated construction completion: Spring 2020

  • Nighttime ramp closure from WIS 11/Avalon Road to I-39/90 northbound, south of Janesville.
    • 7 p.m. Monday (Nov. 26) to 5 a.m. Tuesday (Nov. 27) – weather-permitting
    • Alternate routes are required.
  • The I-39/90 northbound ramps to and from County S/Shopiere Road (Exit 183) are CLOSED until late November 2018 – weather-permitting.
    • Alternate routes are required.
  • All I-39/90 traffic shifted to the southbound side of the Interstate, between Hart Road near Beloit and the WIS 11/Avalon Road interchange (Exit 177) in Janesville.
    • Two lanes remain open in each direction, separated by a median barrier wall.
    • Be alert for crossovers, don’t tailgate and drive with caution through this area!
  • I-39/90 northbound traffic located on new concrete pavement between the WIS 11/Avalon Road interchange (Exit 177) and US 14/Humes Road interchange (Exit 171B) in Janesville.
    • Southbound traffic remains on current southbound side.
    • Two lanes remain open in each direction.
  • View I-39/90 construction activities between Beloit and Janesville.
    • I-39/90 northbound traffic is now running on new pavement between WIS 11/Avalon Road and the US 14 interchange.
    • All I-39/90 northbound bridges over roadways in Janesville and Beloit are complete.
    • The park and ride lot off of Midland Court near the WIS 11/Racine Street interchange is open.
    • Noise wall barriers along the new lanes of I-39/90 northbound in Janesville are complete for this year.
    • Crews are working to construct the northbound median lanes between WIS 11/Avalon Road and the US 14 interchange. Concrete mainline is scheduled to begin in the median and continue into early next week (weather dependent).
    • Base course trimming for pavement will continue ahead of the paver through next Tuesday (Nov. 20)
    • Grading complete for the northeast quadrant of the WIS 11/Avalon Road detention basin.
    • Concrete pavement crews will continue paving on  I-39/90 northbound between Woodman Road to Hart Road – weather-permitting.
    • Landscaping crews will work on final restoration along I-39/90 northbound in Janesville and Beloit.

I-39/90 expansion and I-43 reconstruction (Illinois state line to Hart Road; County X/Hart Road to Freeman Parkway), Beloit
Anticipated construction completion: November 2019

  • Colley Road under I-39/90, near Beloit, is CLOSED until early December 2018.
    • Alternate local routes are required.
  • Read the I-39/90 and I-43 construction operations near Beloit.
    • Crossover construction underway on I-39 and I-43 for future traffic staging.
    • Grading work in the I-39/90 and I-43 interchange northeast quadrant underway and will continue until winter shut down in January.
  • One lane closed on I-43 northbound and southbound (County X/Hart Road to I-39/90) until Wednesday (Nov. 21).
    • Plan ahead and anticipate slowdowns in this area.